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TIL “King” in a snake’s name signifies that it preys on other snakes and that the king cobra is so named not because it is a cobra but because it typically hunts cobras

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P181V TIL about Saturday Night Palsy (named after partying on Saturday nights), which is when nerves are compressed and muscle function is lost due to sleeping in an unnatural position and being too drunk to adjust yourself. Severe cases have a low chance of full recovery.
Knda TIL that Richard Feynman drove a van with Feynman diagrams painted on it.
R78e1 TIL that for Japanese traffic lights blue means go! A very blue shade of green is used, green enough to satisfy international regulations. This is because historically the Japanese language only had words for black, white, red, and blue, and that green is considered a shade of blue.
5pnQ TIL that Teri Horton, a 73-year-old former long-haul truck driver who purchased a painting from a thrift shop for $5, only to find out that it may be a Jackson Pollock, turned down an offer of US $9 million from a Saudi Arabian buyer.
VMOb0 TIL A Navy study showed that washing hands 5 times daily reduced incidence of respiratory infections by 45% over a two year period.